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Once you start smoking, it is difficult to get rid of that bad habit.

I can't start up my computer. What am I supposed to do?

If you can't visit a country where they speak the language you are learning, find a local bar where native speakers of that language hang out and start hanging out there.

Did you start to learn the piano when you were three, like Mozart?

If you don't start treating people with a little more respect, people may start avoiding you like the plague.

Could you please tell me again when the meeting is supposed to start?

You can't just come in here and start ordering people around.

Let me tell you what's going to happen if you don't start behaving yourself.

Start reading where you left off.

When writing a sentence, generally you start with a capital letter and finish with a period (.), an exclamation mark (!), or a question mark (?).

Do you know how to start a fire using just sticks of wood?

I have so many things to tell you that I don't know where to start.

Many flowers start blooming in springtime.

Once we start reading a book, we should read it all the way through.

Today, automobiles have taken the place of horses as the principal means of transportation.

principal reason

The principal called him to account for being absent without an excuse.

The organization plays a principal role in wildlife conservation.

The principal cause of death in refugee camps is the lack of nourishment.

He said that their principal would go there the next day.

This is an interesting case where there is no principal determining element.

The definition of principal is the first or highest in importance. An example of a principal ingredient is flour in bread.

My principal is Mrs Lidia Kącala.

Diana kept missing lessons, so the school principal telephoned her parents.

That was my principal reason for moving.

The instalment for my loan is $110 a month. $100 goes toward paying off the principal and the $10 is for the interest.

The principal severely reproved the students whenever they made a mess in the hallway.

The principal made a rule for the purpose of giving a good school life to the students.

I say quite deliberately that the Christian religion, as organized in its churches, has been and still is the principal enemy of moral progress in the world.